body, html
  line-height: 1
  font-family: 'PingFang SC', 'STHeitiSC-Light', 'Helvetica-Light', arial,
          sans-serif, 'Droid Sans Fallback'
  // 不允许用户选择文本
  user-select: none
  // ios灰色半透明背景
  -webkit-tap-highlight-color: transparent
  background: #eee
  font-size: 10px
  touch-action: none
  touch-action: pan-y

.van-button .van-button__text
  width: 100%